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2032130213 = 19791026847
BaseRepresentation
bin111100100011111…
…1101100010100101
312020121210220120222
41321013331202211
513130211131323
6533351334125
7101233551611
oct17107754245
95217726528
102032130213
119530a2563
12488681345
13265016b19
14153c60341
15bd60c9c8
hex791fd8a5

2032130213 has 4 divisors (see below), whose sum is σ = 2033159040. Its totient is φ = 2031101388.

The previous prime is 2032130171. The next prime is 2032130267. The reversal of 2032130213 is 3120312302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120312302 = 21560156151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2032130213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2032130191 and 2032130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2032130813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511445 + ... + 515402.

It is an arithmetic number, because the mean of its divisors is an integer number (508289760).

Almost surely, 22032130213 is an apocalyptic number.

It is an amenable number.

2032130213 is a deficient number, since it is larger than the sum of its proper divisors (1028827).

2032130213 is a wasteful number, since it uses less digits than its factorization.

2032130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028826.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2032130213 is about 45079.1549721154. The cubic root of 2032130213 is about 1266.6321608867.

Adding to 2032130213 its reverse (3120312302), we get a palindrome (5152442515).

The spelling of 2032130213 in words is "two billion, thirty-two million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 1979 1026847 2032130213